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Property, Plant and Equipment (Details) - USD ($)
Jun. 30, 2019
Dec. 31, 2018
Property, Plant and Equipment [Abstract]    
Permit of land use $ 409,716 $ 409,612
Building 9,514,244 9,511,832
Plant, machinery and equipment 26,644,666 26,576,409
Motor vehicle 312,886 312,807
Office equipment 209,356 198,292
Total 37,090,868 37,008,952
Less: accumulated depreciation (19,233,430) (17,714,573)
Property, Plant and Equipment, net $ 17,857,438 $ 19,294,379